Dr. Sung Whang, MD
- Medicare services, 2024
- 787
- Medicare patients, 2024
- 541
- Part D claims, 2024
- 236
- Hospital affiliations
- 2
- Industry payments
- $368
- Practice address
- 200 Belle Terre Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 474-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Whang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sung Whang is an internist in Port Jefferson, New York
Dr. Whang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre.
Dr. Whang's NPI, 1982800900, was assigned on June 26, 2007. Dr. Whang holds New York license 244717.
- NPI
- 1982800900NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810070828
- NPI enumeration date
- June 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 474-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sung Whang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York
Dr. Whang's primary practice is Good Samaritan University Hospital St. Charles Campus, at 200 Belle Terre Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 474-6000.
- Good Samaritan University Hospital St. Charles Campus200 Belle Terre Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 474-6000
Source: Dmand AI Affiliation Data
Dr. Sung Whang is affiliated with 3 sites of care and 2 medical groups
Dr. Whang's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. The medical group on file is Southwest Suffolk Medical PC. Dmand AI also links Dr. Whang to 1 more hospital, 1 skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sung Whang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital St. Charles Campus | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sung Whang is one of 9,643 internists in New York
Internal medicine is Dr. Whang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Whang's licenses on file in 2 states: New York and New Jersey.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- New Jersey license
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, cardiac arrhythmia, hypertension, kidney failure and stroke among the conditions Dr. Whang treats.
Internists near Dr. Whang
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sung Whang billed Medicare for 787 services in 2024
CMS data shows 787 Medicare services from Dr. Whang across 6 procedure codes in 2024, for 541 Medicare patients. Medicare paid $88,409 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Whang compared with the New York median for internists, 2024
- Dr. Whang
- New York median
- Medicare services
- 787vs 42685% above
- Medicare patients
- 541vs 1583.4 times
- Part D claims
- 29vs 62295% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Whang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Whang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Whang and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sung Whang treated 541 Medicare patients in 2024, average age 77
CMS counts 541 Medicare patients who saw Dr. Whang in 2024. The largest group is 75 to 84, with 218 patients. 75% of them have arthritis, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Whang's median patient age at 72, with 57% women.
Dr. Whang's Medicare patients by age, 2024
Dr. Whang's Medicare patients by sex, 2024
- Women31558%
- Men22642%
Chronic conditions among Dr. Whang's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease56%
- Mood disorders49%
- Diabetes46%
- Anxiety45%
- Depression43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Whang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sung Whang wrote 236 Medicare Part D claims in 2024
In 2024, Dr. Whang wrote 236 Medicare Part D claims for 104 patients. 89% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $76 in total drug cost.
Dr. Whang's Part D claims by kind of drug, 2024
- Generic211 claims89%
- Brand-name and other25 claims11%
Dr. Whang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Whang's Part D claims, 2024
- Opioids6%14 of 236 claims
- Antibiotics25%59 of 236 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Sung Whang takes part in Medicare
Dr. Whang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sung Whang received $368 in industry payments in 2025
CMS Open Payments shows 16 general payments to Dr. Whang from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $119.
Companies that paid Dr. Whang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sung Whang accepts plans from 9 insurance carriers
Dr. Whang is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Whang accepts, by number of carriers
- Medicare7
- PPO7
- EPO3
- HMO3
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sung Whang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sung Whang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Sung Whang's NPI number?
Dr. Sung Whang's NPI number is 1982800900. It was assigned on June 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Sung Whang?
Dr. Sung Whang is an internist in Port Jefferson, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sung Whang practice?
Dr. Whang practices at 200 Belle Terre Road, Port Jefferson, NY 11777. Dr. Whang's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Whang to 1 hospital, 1 skilled nursing facility and 1 medical group.
What is Dr. Sung Whang's office phone number?
The practice phone on file for Dr. Whang is (631) 474-6000.
What is Dr. Sung Whang's medical license number?
Dr. Whang holds New York license 244717, one of the licenses on file in 2 states.
Which states has Dr. Sung Whang been licensed in?
Dmand AI has state licenses on file for Dr. Whang in New York (2007 to 2026) and New Jersey (since 1979).
Which hospitals is Dr. Sung Whang affiliated with?
Dr. Whang practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York. Dmand AI links Dr. Whang to 1 more hospital.
What medical group is Dr. Sung Whang part of?
Dr. Whang is linked to Southwest Suffolk Medical PC. Dmand AI links Dr. Whang to 1 more medical group.
Does Dr. Sung Whang accept Medicare?
Yes. CMS data shows Dr. Whang billed Medicare for 787 services in 2024, and Dr. Whang accepts Medicare assignment.
How many Medicare patients does Dr. Sung Whang see?
CMS counts 541 Medicare patients who saw Dr. Whang in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Sung Whang bill to Medicare?
In 2024, Dr. Whang's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99232).
What drugs does Dr. Sung Whang prescribe most?
In 2024 Medicare Part D data, Dr. Whang's most prescribed drugs by claims were Prednisone and Doxycycline Hyclate.
Has Dr. Sung Whang received payments from drug or device companies?
CMS Open Payments shows $368 in general payments to Dr. Whang from 8 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Sung Whang been practicing?
Dr. Whang graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Sung Whang accept?
Dr. Whang is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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